body{
    margin: 0;
    background-color: #F5F5F5;
    font-family: '微软雅黑';
    font-size: 4vw;
}
a{
    list-style-type: none;
    display: inline-block;
}
/*搜索栏*/
.nav_header{
    background-color: #EF6023;
    height: 12vw;
    padding: 0 4vw;
}
.nav_header header{
    width: 100%;
    line-height: 12vw;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav_header img{
    height: 5vw;
    margin-right: 2vw;
}
/*.nav_search{
    background-color: #fff;
    border-radius: 5vw;
    padding: 0.5vw 3vw;
}
.nav_search span{
    color: #EF6023;
}
.nav_search input{
    width: 54vw;
    height: 4vw;
    border: none;
    box-shadow: none;
    color: #757575;
    font-size: 3.5vw;
}*/
.nav_search{
    height: 6vw;
    width: 72vw;
    color: #aaa;
    line-height: 6vw;
    padding: 0 8vw;
    font-size: 3.6vw;
    border-radius: 3vw;
    background-image: url(../images/nav_search.png);
    background-size: 110% 130%;
    background-position: 5% 40%;

    box-sizing: border-box;
}
.nav_header>header>a:last-of-type{
    color: #fff;
}

/*横幅*/
/*.banner{
    margin-top: 8vh;
    padding: 0;dv z
    width: 100%;
}
.zsd{
    position: absolute;
    top: 90%;
    left: 90%;
}*/

.mybanner img{
    width: 100%;
}

/*内容*/
section{
    width: 100%;
}
.headerheader{
    width: 100%;
    display: flex;
    justify-content: space-between;
}
.headerheader>div{
    display: inline-block;
    width: 50%;
}
.headerheader img{
    width: 100%;
}

.main{
    width: 100%;
    background-color: #fff;
    padding: 1vw 0;
    display: flex;
    justify-content: space-between;
}
.main>div{
    width: 49.5%
}
.main img{
    width: 100%;
}
h3{
   font-weight: normal;
   font-size: 4vw; 
   color: #000;
   margin: 1.5vw 3vw;
}
.main p{
    margin: 0.5vw 3vw;
    font-size: 3vw;
    color: #aaa;
}
.main span{
    margin-left: 3vw;
    font-weight: bold;
    color: #FF6600;
}



.indexChecked{
    background-position: 0 86%;
}